51105800

素因数分解:

$2^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 124545600

約数和(自身を除く): 73439800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 61, 71, 100, 118, 122, 142, 200, 236, 244, 284, 295, 305, 355, 472, 488, 568, 590, 610, 710, 1180, 1220, 1420, 1475, 1525, 1775, 2360, 2440, 2840, 2950, 3050, 3550, 3599, 4189, 4331, 5900, 6100, 7100, 7198, 8378, 8662, 11800, 12200, 14200, 14396, 16756, 17324, 17995, 20945, 21655, 28792, 33512, 34648, 35990, 41890, 43310, 71980, 83780, 86620, 89975, 104725, 108275, 143960, 167560, 173240, 179950, 209450, 216550, 255529, 359900, 418900, 433100, 511058, 719800, 837800, 866200, 1022116, 1277645, 2044232, 2555290, 5110580, 6388225, 10221160, 12776450, 25552900, 51105800]

約数ペア:

[(1, 51105800), (2, 25552900), (4, 12776450), (5, 10221160), (8, 6388225), (10, 5110580), (20, 2555290), (25, 2044232), (40, 1277645), (50, 1022116), (59, 866200), (61, 837800), (71, 719800), (100, 511058), (118, 433100), (122, 418900), (142, 359900), (200, 255529), (236, 216550), (244, 209450), (284, 179950), (295, 173240), (305, 167560), (355, 143960), (472, 108275), (488, 104725), (568, 89975), (590, 86620), (610, 83780), (710, 71980), (1180, 43310), (1220, 41890), (1420, 35990), (1475, 34648), (1525, 33512), (1775, 28792), (2360, 21655), (2440, 20945), (2840, 17995), (2950, 17324), (3050, 16756), (3550, 14396), (3599, 14200), (4189, 12200), (4331, 11800), (5900, 8662), (6100, 8378), (7100, 7198)]