86620000

素因数分解:

$2^5\times 5^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 120

約数和(自身を含む): 219642192

約数和(自身を除く): 133022192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 71, 80, 100, 122, 125, 142, 160, 200, 244, 250, 284, 305, 355, 400, 488, 500, 568, 610, 625, 710, 800, 976, 1000, 1136, 1220, 1250, 1420, 1525, 1775, 1952, 2000, 2272, 2440, 2500, 2840, 3050, 3550, 4000, 4331, 4880, 5000, 5680, 6100, 7100, 7625, 8662, 8875, 9760, 10000, 11360, 12200, 14200, 15250, 17324, 17750, 20000, 21655, 24400, 28400, 30500, 34648, 35500, 38125, 43310, 44375, 48800, 56800, 61000, 69296, 71000, 76250, 86620, 88750, 108275, 122000, 138592, 142000, 152500, 173240, 177500, 216550, 244000, 284000, 305000, 346480, 355000, 433100, 541375, 610000, 692960, 710000, 866200, 1082750, 1220000, 1420000, 1732400, 2165500, 2706875, 3464800, 4331000, 5413750, 8662000, 10827500, 17324000, 21655000, 43310000, 86620000]

約数ペア:

[(1, 86620000), (2, 43310000), (4, 21655000), (5, 17324000), (8, 10827500), (10, 8662000), (16, 5413750), (20, 4331000), (25, 3464800), (32, 2706875), (40, 2165500), (50, 1732400), (61, 1420000), (71, 1220000), (80, 1082750), (100, 866200), (122, 710000), (125, 692960), (142, 610000), (160, 541375), (200, 433100), (244, 355000), (250, 346480), (284, 305000), (305, 284000), (355, 244000), (400, 216550), (488, 177500), (500, 173240), (568, 152500), (610, 142000), (625, 138592), (710, 122000), (800, 108275), (976, 88750), (1000, 86620), (1136, 76250), (1220, 71000), (1250, 69296), (1420, 61000), (1525, 56800), (1775, 48800), (1952, 44375), (2000, 43310), (2272, 38125), (2440, 35500), (2500, 34648), (2840, 30500), (3050, 28400), (3550, 24400), (4000, 21655), (4331, 20000), (4880, 17750), (5000, 17324), (5680, 15250), (6100, 14200), (7100, 12200), (7625, 11360), (8662, 10000), (8875, 9760)]