9720778840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{87701}}^1$

素因数の和:87892

約数の個数: 64

約数和(自身を含む): 23300667360

約数和(自身を除く): 13579888520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 815, 1304, 1630, 2771, 3260, 5542, 6520, 11084, 13855, 22168, 27710, 55420, 87701, 110840, 175402, 350804, 438505, 701608, 877010, 1490917, 1754020, 2981834, 3508040, 5963668, 7454585, 11927336, 14295263, 14909170, 28590526, 29818340, 57181052, 59636680, 71476315, 114362104, 142952630, 243019471, 285905260, 486038942, 571810520, 972077884, 1215097355, 1944155768, 2430194710, 4860389420, 9720778840]

約数ペア:

[(1, 9720778840), (2, 4860389420), (4, 2430194710), (5, 1944155768), (8, 1215097355), (10, 972077884), (17, 571810520), (20, 486038942), (34, 285905260), (40, 243019471), (68, 142952630), (85, 114362104), (136, 71476315), (163, 59636680), (170, 57181052), (326, 29818340), (340, 28590526), (652, 14909170), (680, 14295263), (815, 11927336), (1304, 7454585), (1630, 5963668), (2771, 3508040), (3260, 2981834), (5542, 1754020), (6520, 1490917), (11084, 877010), (13855, 701608), (22168, 438505), (27710, 350804), (55420, 175402), (87701, 110840)]