63209420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{263}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 136116288

約数和(自身を除く): 72906868

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 197, 244, 263, 305, 394, 526, 610, 788, 985, 1052, 1220, 1315, 1970, 2630, 3940, 5260, 12017, 16043, 24034, 32086, 48068, 51811, 60085, 64172, 80215, 103622, 120170, 160430, 207244, 240340, 259055, 320860, 518110, 1036220, 3160471, 6320942, 12641884, 15802355, 31604710, 63209420]

約数ペア:

[(1, 63209420), (2, 31604710), (4, 15802355), (5, 12641884), (10, 6320942), (20, 3160471), (61, 1036220), (122, 518110), (197, 320860), (244, 259055), (263, 240340), (305, 207244), (394, 160430), (526, 120170), (610, 103622), (788, 80215), (985, 64172), (1052, 60085), (1220, 51811), (1315, 48068), (1970, 32086), (2630, 24034), (3940, 16043), (5260, 12017)]