9865291280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{26423}}^1$

素因数の和:26808

約数の個数: 80

約数和(自身を含む): 24770914560

約数和(自身を除く): 14905623280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 359, 520, 718, 1040, 1436, 1795, 2872, 3590, 4667, 5744, 7180, 9334, 14360, 18668, 23335, 26423, 28720, 37336, 46670, 52846, 74672, 93340, 105692, 132115, 186680, 211384, 264230, 343499, 373360, 422768, 528460, 686998, 1056920, 1373996, 1717495, 2113840, 2747992, 3434990, 5495984, 6869980, 9485857, 13739960, 18971714, 27479920, 37943428, 47429285, 75886856, 94858570, 123316141, 151773712, 189717140, 246632282, 379434280, 493264564, 616580705, 758868560, 986529128, 1233161410, 1973058256, 2466322820, 4932645640, 9865291280]

約数ペア:

[(1, 9865291280), (2, 4932645640), (4, 2466322820), (5, 1973058256), (8, 1233161410), (10, 986529128), (13, 758868560), (16, 616580705), (20, 493264564), (26, 379434280), (40, 246632282), (52, 189717140), (65, 151773712), (80, 123316141), (104, 94858570), (130, 75886856), (208, 47429285), (260, 37943428), (359, 27479920), (520, 18971714), (718, 13739960), (1040, 9485857), (1436, 6869980), (1795, 5495984), (2872, 3434990), (3590, 2747992), (4667, 2113840), (5744, 1717495), (7180, 1373996), (9334, 1056920), (14360, 686998), (18668, 528460), (23335, 422768), (26423, 373360), (28720, 343499), (37336, 264230), (46670, 211384), (52846, 186680), (74672, 132115), (93340, 105692)]