80746900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 190300320

約数和(自身を除く): 109553420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 179, 260, 325, 347, 358, 650, 694, 716, 895, 1300, 1388, 1735, 1790, 2327, 3470, 3580, 4475, 4511, 4654, 6940, 8675, 8950, 9022, 9308, 11635, 17350, 17900, 18044, 22555, 23270, 34700, 45110, 46540, 58175, 62113, 90220, 112775, 116350, 124226, 225550, 232700, 248452, 310565, 451100, 621130, 807469, 1242260, 1552825, 1614938, 3105650, 3229876, 4037345, 6211300, 8074690, 16149380, 20186725, 40373450, 80746900]

約数ペア:

[(1, 80746900), (2, 40373450), (4, 20186725), (5, 16149380), (10, 8074690), (13, 6211300), (20, 4037345), (25, 3229876), (26, 3105650), (50, 1614938), (52, 1552825), (65, 1242260), (100, 807469), (130, 621130), (179, 451100), (260, 310565), (325, 248452), (347, 232700), (358, 225550), (650, 124226), (694, 116350), (716, 112775), (895, 90220), (1300, 62113), (1388, 58175), (1735, 46540), (1790, 45110), (2327, 34700), (3470, 23270), (3580, 22555), (4475, 18044), (4511, 17900), (4654, 17350), (6940, 11635), (8675, 9308), (8950, 9022)]