16065440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 40642560

約数和(自身を除く): 24577120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 79, 80, 82, 124, 155, 158, 160, 164, 205, 248, 310, 316, 328, 395, 410, 496, 620, 632, 656, 790, 820, 992, 1240, 1264, 1271, 1312, 1580, 1640, 2449, 2480, 2528, 2542, 3160, 3239, 3280, 4898, 4960, 5084, 6320, 6355, 6478, 6560, 9796, 10168, 12245, 12640, 12710, 12956, 16195, 19592, 20336, 24490, 25420, 25912, 32390, 39184, 40672, 48980, 50840, 51824, 64780, 78368, 97960, 100409, 101680, 103648, 129560, 195920, 200818, 203360, 259120, 391840, 401636, 502045, 518240, 803272, 1004090, 1606544, 2008180, 3213088, 4016360, 8032720, 16065440]

約数ペア:

[(1, 16065440), (2, 8032720), (4, 4016360), (5, 3213088), (8, 2008180), (10, 1606544), (16, 1004090), (20, 803272), (31, 518240), (32, 502045), (40, 401636), (41, 391840), (62, 259120), (79, 203360), (80, 200818), (82, 195920), (124, 129560), (155, 103648), (158, 101680), (160, 100409), (164, 97960), (205, 78368), (248, 64780), (310, 51824), (316, 50840), (328, 48980), (395, 40672), (410, 39184), (496, 32390), (620, 25912), (632, 25420), (656, 24490), (790, 20336), (820, 19592), (992, 16195), (1240, 12956), (1264, 12710), (1271, 12640), (1312, 12245), (1580, 10168), (1640, 9796), (2449, 6560), (2480, 6478), (2528, 6355), (2542, 6320), (3160, 5084), (3239, 4960), (3280, 4898)]